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TVS - Diodes

MXP4KE6.8CA application field and working principle

The MXP4KE6.8CA is an ultra-fast transient voltage suppressor (TVS) diode and provides protection against electrostatic discharge (ESD) and transients in electronic devices. Its low dynamic resistance to clamp voltage makes it ideal for high-speed data line protection. These diodes are typically used on Ethernet, DSL, USB, S-ATA, and other high frequency data transmission systems.

A TVS diode is an electronic component that protects circuits from over-voltage transients, such as those caused by lightning strikes, induction, or electrostatic discharges (ESDs). TVS diodes are designed to redirect excess voltage into a low-resistance channel, to prevent it from damaging other components in the circuit. They are typically constructed using a p–n junction, which helps to prevent the voltage from exceeding a certain level.

MXP4KE6.8CA is a type of bi-directional TVS diode and is composed of a Junction Barrier Schottky (JBS) diode element. This type of diode has a lower clamp voltage than other TVS diodes, which is why it is preferred for high-speed data line protection. The clamp voltage is the voltage at which the diode begins to conduct current when a high voltage transient is applied to the circuit.

The MXP4KE6.8CA has high surge current capability and excellent clamping performance, allowing it to absorb large transient surges in nanoseconds. Its surge current capability is rated at 6.8A, and it can be used with input voltages up to 40V DC. It has a maximum working voltage of 20V, and a maximum peak pulse current rating of 12.5A. The MXP4KE6.8CA has a response time of less than 10ns, and it can handle surge voltages up to 740 V. The operating temperature range is from -55°C to +175°C.

The MXP4KE6.8CA is an ideal choice for ESD protection in high-speed data lines, and its low dynamic resistance helps to protect against extreme ESD pulses. Its fast response time ensures maximum protection for the circuit and the components connected to it. The MXP4KE6.8CA is also suitable for use in automotive and telecommunications systems, as well as in laptop and desktop computers.

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